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Cadillac DTS vs. Mazda RX-8 Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Cadillac DTS vs. Mazda RX-8 Invoice Comparison

Lowest Total Price: $35,755

Mazda RX-8 Grand Touring   
Difference: $15,535

Lowest Total Invoice: $32,878

Mazda RX-8 Grand Touring   
Difference: $14,663

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Base Price $45,855 $31,000
Base Invoice $42,874 $28,681
Front buckets 0  
Cargo net 95 40
Heated front seats 1,425  
Sun and Sound Package 850  
Navigation system 2,145 2,000
FWD 0  
Premium Package   900
6-speed shiftable automatic   700
Cargo mat   50
Temporary spare tire   395
Front buckets 0  
Cargo net 78 32
Heated front seats 1,183  
Sun and Sound Package 706  
Navigation system 1,780 1,720
FWD 0  
Premium Package   774
6-speed shiftable automatic   645
Cargo mat   36
Temporary spare tire   320
Options (change) 4,515 4,085
Options (change) 3,747 3,527
Destination 920 670
Total Price $51,290 $35,755
Total Invoice $47,541 $32,878

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Cadillac DTS dealer quotes or Mazda RX-8 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Cadillac DTS vs. Mazda RX-8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $14,485
TrueDelta Adjusted Invoice Difference: $13,690
Model Year20092009
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Engine275hp V8212hp R2
TransmissionA4T6
DrivetrainFWDRWD
EPA Fuel Economy (city/highway)15/23 MPG16/23 MPG
Audio (watts, speakers)?, 8300, 9
Tire (rear if not all the same)225/55-17225/45-18
Total Price$51,290$35,755
Adjustments for Features-1,0500
Feature-Adjusted Total Price$50,240$35,755
Total Invoice$47,541$32,878
Adjustments for Features-9730
Feature-Adjusted Total Invoice$46,568$32,878

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Features Comparison: Cadillac DTS vs. Mazda RX-8

Model Year20092009
ModelDTSRX-8
TrimV8Grand Touring
Body4dr Sedan4dr Coupe
Transmission and Drivetrain 
4-speed automatic$800 
6-speed manually-shiftable automatic $1100
FWD$0 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key $250
Remote start$150 
Brakes, Airbags, and Other Safety 
Brake assist$50 
Cargo Management 
Overhead sunglass holder $25
Second-row high console $250
Climate Control 
Dual-zone climate control$125 
Rain-sensing wipers $175
Rear air vents$100 
Variable intermittent wipers$75 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside moldings$75 
Laminated front side windows$200 
Infotainment 
CD changer, in-dash $325
CD player$125 
Surround sound $250
Telematics service, such as OnStar, with navigation$225 
Traffic information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming driver-side mirror$75 
Compass$0 
Cornering lights$50 
Interior ambient lighting$150 
Trip computer$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,925$2,875
Value of Feature Adjustments$1,050$0
Value of Feature Adjustments-9730

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See a complete comparison of Cadillac DTS vs. Mazda RX-8 features.

Specifications Comparison: Cadillac DTS vs. Mazda RX-8

Model Year20092009
ModelDTSRX-8
Body4dr Sedan4dr Coupe
Wheelbase115.6 in106.4 in
Length207.6 in175.6 in
Width74.8 in69.7 in
Height57.6 in52.8 in
Curb Weight4,009 lb.3,094 lb.
Fuel Capacity18.5 gal.15.9 gal.
Row 1 Headroom38.3 in38.2 in
Row 1 Shoulder Room60.0 in54.8 in
Row 1 Hip Room57.3 in53.3 in
Row 1 Legroom42.5 in42.7 in
Row 2 Headroom38.4 in36.8 in
Row 2 Shoulder Room59.2 in54.9 in
Row 2 Hip Room55.7 in48.1 in
Row 2 Legroom42.0 in32.2 in
Cargo Volume18.8 ft37.6 ft3

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See a complete comparison of Cadillac DTS vs. Mazda RX-8 specs.

Option Package Details
Cadillac DTS V8

Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200No
Universal garage door opener100Yes
Total Requested100083%
Total Not Requested20017%

Option Package Details
Mazda RX-8 Grand Touring

6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
1.3L R2
OHV-2v
212 hp@7500
159 lb-ft@5500		1000Yes
Steering-wheel-mounted transmission controls100No
Total Requested100091%
Total Not Requested1009%
Premium Package
FeatureValueRequested?
Sunroof900Yes
Satellite radio200Yes
Total Requested1100100%
Total Not Requested00%

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